CN110902830A - Integrated sewage treatment equipment - Google Patents
Integrated sewage treatment equipment Download PDFInfo
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- CN110902830A CN110902830A CN201911257335.0A CN201911257335A CN110902830A CN 110902830 A CN110902830 A CN 110902830A CN 201911257335 A CN201911257335 A CN 201911257335A CN 110902830 A CN110902830 A CN 110902830A
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- tank
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Biodiversity & Conservation Biology (AREA)
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- Hydrology & Water Resources (AREA)
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention discloses an integrated sewage treatment device which comprises a regulating reservoir, a contact oxidation reservoir, a membrane reservoir and a sludge reservoir which are connected in sequence, wherein the contact oxidation reservoir comprises an anaerobic reservoir, an anoxic reservoir and an aerobic reservoir which are connected in sequence, the anaerobic reservoir is connected with the regulating reservoir, and the aerobic reservoir is connected with the membrane reservoir. The aerobic tank comprises a tank body, an aerator, an oxygen supply machine, an air injection assembly and a driving mechanism, wherein the air injection assembly comprises a rotating pipe, an aeration pipe and an oxygen supply pipe, the driving mechanism is connected with the rotating pipe to drive the rotating pipe to rotate, and then the aeration pipe and the oxygen supply pipe swing. Above-mentioned integration sewage treatment device rotates the pipe and is equipped with a plurality of aeration pipes and supplies the oxygen pipe along axial direction, and the aeration pipe can the blowout air, supplies the oxygen pipe can blowout oxygen, and actuating mechanism can drive the aeration pipe and supply the swing of oxygen pipe, can make the sewage of each degree of depth of sewage in the aerobic tank all fully contact with air and oxygen, guarantees the oxidation effect in aerobic tank, guarantees sewage treatment effect.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to integrated sewage treatment equipment.
Background
With the increasing severity of water pollution problems, sewage treatment is becoming more and more important in many industries, and thus, many sewage treatment technologies and sewage treatment devices are emerging. The sewage treatment equipment is an industrial equipment which can effectively treat domestic sewage, industrial wastewater and the like in urban areas, prevents sewage and pollutants from directly flowing into water areas, and has important significance for improving ecological environment, promoting urban grade and promoting economic development.
The existing sewage treatment equipment generally comprises a sewage tank, a contact oxidation tank and a sedimentation tank, wherein the contact oxidation tank can make activated sludge perform aerobic respiration to decompose organic matters into inorganic matters and remove pollutants. However, the existing contact oxidation tank is directly filled with oxygen, and the oxygen and the sewage are not sufficiently and uniformly mixed, so that the sewage treatment effect is poor, and the sewage treatment requirement is difficult to meet.
Disclosure of Invention
Based on this, it is necessary to provide an integration sewage treatment device to solve the problem that the existing sewage treatment device is not enough and uniform in oxygen and sewage mixing and poor in sewage treatment effect.
An integrated sewage treatment device comprises a regulating reservoir, a contact oxidation reservoir, a membrane pool and a sludge pool which are connected in sequence, wherein the contact oxidation reservoir comprises an anaerobic reservoir, an anoxic reservoir and an aerobic reservoir which are connected in sequence;
the aeration machine is arranged at the bottom of the tank body, the oxygen supply machine is arranged at the top of the tank body, the air injection assembly comprises a rotating pipe, an aeration pipe and an oxygen supply pipe, and the rotating pipe is inserted into the tank body and is rotatably arranged on the tank body;
the rotary pipe is respectively provided with an aeration channel and an oxygen supply channel along the axial direction, the aerator is connected with the aeration channel, the oxygen supply machine is connected with the oxygen supply channel, the aeration pipe and the oxygen supply pipe are both arranged on the side wall of the rotary pipe, a plurality of aeration pipes and the oxygen supply pipes are arranged at intervals along the axial direction of the rotary pipe, the aeration pipes are communicated with the aeration channel, the oxygen supply pipes are communicated with the oxygen supply channel, and the side walls of the aeration pipes and the oxygen supply pipes are both provided with air outlet holes;
the driving mechanism is arranged at the top of the tank body and connected with the rotating pipe to drive the rotating pipe to rotate, so that the aeration pipe and the oxygen supply pipe swing.
In one embodiment, the rotating pipe is internally divided into the aeration channel and the oxygen supply channel by a partition plate, one end of the aeration channel is connected with the aerator, the other end of the aeration channel is sealed by a first baffle, one end of the oxygen supply channel is connected with the oxygen supply machine, and the other end of the oxygen supply channel is sealed by a second baffle.
In one embodiment, a fixed block is arranged on the side wall of the rotating pipe, and the side wall of the aeration pipe is connected with the side wall of the oxygen supply pipe and is installed on the fixed block through an installation block.
In one embodiment, a first air nozzle is installed in the air outlet of the aeration pipe, and a second air nozzle is installed in the air outlet of the oxygen supply pipe.
In one embodiment, the bottom surface and the top surface of the aeration pipe are both provided with the first air nozzle, and the bottom surface and the top surface of the oxygen supply pipe are both provided with the second air nozzle.
In one embodiment, the driving mechanism comprises a motor, a rotating disc, a connecting rod and a swinging wheel, the motor is arranged at the top of the tank body, the rotating disc is installed on a rotating shaft of the motor, the swinging wheel is installed on the rotating pipe, and two ends of the connecting rod are respectively connected with the rotating disc and the swinging wheel in a rotating mode.
In one embodiment, a lifting pump is installed in the regulating reservoir and is used for pumping sewage in the regulating reservoir into the anaerobic reservoir.
In one embodiment, a reflux pump is arranged on the bottom wall of the anoxic pond and pumps sewage into the anaerobic pond;
a reflux pump is arranged at the top of the aerobic tank, and sewage is pumped back into the anoxic tank by the reflux pump in the aerobic tank;
and a reflux pump is arranged at the bottom of the membrane tank, and the reflux pump in the membrane tank pumps sewage into the aerobic tank.
In one embodiment, the sludge pond comprises a sewage pond and a clean water pond, clean water separated by the membrane pond enters the clean water pond, and sludge separated by the membrane pond enters the sewage pond.
In one embodiment, a sludge pump is installed in the sewage disposal tank, the sludge pump pumps sludge into the sludge storage tank, an overflow hole is formed in the side wall of the sludge storage tank, and the sludge in the sludge storage tank overflows back into the regulating tank through the overflow hole.
Above-mentioned integration sewage treatment device rotates the pipe and is equipped with a plurality of aeration pipes and supplies the oxygen pipe along axial direction, and the aeration pipe can the blowout air, supplies the oxygen pipe can blowout oxygen, and actuating mechanism can drive the aeration pipe and supply the swing of oxygen pipe, can make the sewage of each degree of depth of sewage in the aerobic tank all fully contact with air and oxygen, guarantees the oxidation effect in aerobic tank, guarantees sewage treatment effect.
Drawings
FIG. 1 is a schematic structural view of an integrated sewage treatment apparatus according to an embodiment;
FIG. 2 is a schematic view of a partial structure of the integrated sewage treatment apparatus shown in FIG. 1;
FIG. 3 is a schematic structural view of the aerobic tank in FIG. 1;
FIG. 4 is a schematic view of the jet assembly of FIG. 3;
FIG. 5 is a schematic view showing the structure of the rotary tube in FIG. 4;
fig. 6 is a partially enlarged view of a portion a in fig. 3.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, an integrated sewage treatment apparatus according to an embodiment includes a conditioning tank 10, a contact oxidation tank 20, a membrane tank 30, and a sludge tank 40, which are connected in sequence. The adjusting tank 10 is used for adjusting the quality and quantity of sewage supplied from the septic tank 12, the contact oxidation tank 20 is used for decomposing organic matters into inorganic matters, the membrane tank 30 is used for separating clear water and sludge, and the sludge tank 40 is used for storing sludge and clear water.
Specifically, the contact oxidation pond 20 comprises an anaerobic pond 21, an anoxic pond 22 and an aerobic pond 23 which are connected in sequence, wherein the anaerobic pond 21 is connected with the regulating pond 10, and the aerobic pond 23 is connected with the membrane pond 30. The adjusting tank 10 is internally provided with a lift pump 14, the lift pump 14 is used for pumping the sewage in the adjusting tank 10 into an anaerobic tank 21, the sewage in the anaerobic tank 21 can be hydrolyzed, acidified and methanated under the action of anaerobic bacteria, and organic matters in the sewage are removed. Then the sewage enters an anoxic tank 22 to carry out denitrification on the sewage to remove nitrate nitrogen, finally the sewage enters an aerobic tank 23, and in the aerobic tank 23, the activated sludge carries out aerobic respiration to further separate organic matters into inorganic matters and remove harmful substances.
Referring to fig. 2, further, a return pump 24 is installed at the bottom of the anoxic tank 22, and the return pump 24 in the anoxic tank 22 can pump the sewage in the anoxic tank 22 back to the anaerobic tank 21. The top of the aerobic tank 23 is provided with a return pump 24, and the return pump 24 in the aerobic tank 23 can pump the sewage in the aerobic tank 23 back to the anoxic tank 22. The contact oxidation tank 20 can repeatedly carry out oxidation treatment on the sewage, and the sewage treatment effect is ensured.
Referring to fig. 3 and 4, the aerobic tank 23 includes a tank body 231, an aerator 232, an oxygen supplier 233, a gas injection assembly 234 and a driving mechanism 235. The aerator 232 is arranged at the bottom of the tank body 231, and the oxygen supplier 233 is arranged at the top of the tank body 231. The air injection unit 234 includes a rotation pipe 2341, an aeration pipe 2342, and an oxygen supply pipe 2343. The rotation pipe 2341 is inserted into the tank body 231 and rotatably disposed on the tank body 231. Specifically, one end of the rotation pipe 2341 is rotatably disposed at the bottom of the tank body 231 through a bearing, the other end of the rotation pipe 2341 extends out of the top of the tank body 231, and the other end of the rotation pipe 2341 is rotatably connected with the top of the tank body 231 through a bearing.
Referring to fig. 5, the rotation pipe 2341 is provided with an aeration passage and an oxygen supply passage along the axial direction thereof, respectively, the aerator 232 is connected to the aeration passage, and the oxygen supply machine 233 is connected to the oxygen supply passage. Specifically, a partition plate is arranged in the rotating pipe 2341, the partition plate extends along the axial direction of the rotating pipe 2341, and an aeration channel and an oxygen supply channel are separated from the rotating pipe 2341 through the partition plate. One end of the aeration channel is connected with the aerator 232, and the other end of the aeration channel is sealed by a first baffle 2344. One end of the oxygen supply channel is connected with the oxygen supply machine 233, and the other end of the oxygen supply channel is sealed through a second baffle 2345. Aerator 232 and oxygen supply machine 233 are located the both ends of rotating tube 2341 respectively, and just there is a passageway opening at the both ends of rotating tube 2341, and another passageway seals, can guarantee aerator 232 and oxygen supply machine 233 and the passageway intercommunication that corresponds.
In this embodiment, aeration pipe 2342 and oxygen supply pipe 2343 all are equipped with a plurality ofly, and a plurality of aeration pipes 2342 and oxygen supply pipe 2343 set up along the axial direction interval of rotating pipe 2341 to the different degree of depth that makes good oxygen pond 23 all has aeration pipe 2342 and oxygen supply pipe 2343 to carry out aeration and oxygen suppliment. The side wall of the rotating pipe 2341 is provided with a fixing block 2347, and the side wall of the aeration pipe 2342 and the side wall of the oxygen supply pipe 2343 are connected into a whole and are installed on the fixing block 2347 through an installation block 2346. Install first air nozzle 2348 in the venthole of aeration pipe 2342, install second air nozzle 2349 in the venthole of oxygen supply pipe 2343, air and oxygen pass through the air cock blowout, can avoid sewage to block up the venthole. Further, the bottom surface and the top surface of aeration pipe 2342 all are equipped with first air nozzle 2348, and the bottom surface and the top surface of oxygen supply pipe 2343 all are equipped with second air nozzle 2349, can guarantee that aeration and oxygen suppliment are even abundant.
Referring to fig. 3 and 6, the driving mechanism 235 is disposed at the top of the tank body 231, and the driving mechanism 235 is connected to the rotation pipe 2341 to drive the rotation pipe 2341 to rotate, so as to swing the aeration pipe 2342 and the oxygen supply pipe 2343. In this embodiment, the drive mechanism 235 includes a motor 2351, a turntable 2352, a link 2353, and a swinging wheel 2354. The motor 2351 is arranged at the top of the tank body 231, the turntable 2352 is arranged on a rotating shaft of the motor 2351, the swinging wheel 2354 is arranged on the rotating pipe 2341, and two ends of the connecting rod 2353 are rotatably connected with the turntable 2352 and the swinging wheel 2354 respectively. The rotation of motor 2351 can drive carousel 2352 and rotate, and the rotation of carousel 2352 can the drive connection translation, and the translation of connecting rod 2353 can drive swinging wheel 2354 reciprocating swing, and the reciprocating swing of swinging wheel 2354 can drive rotating tube 2341 and rotate, and then realizes that aeration pipe 2342 and oxygen supply pipe 2343 swing, and the sewage that makes each position in the cell body 231 can be sufficient with oxygen contact, guarantees the oxidation effect of good oxygen pond 23.
Referring to fig. 1 and fig. 2 again, the membrane tank 30 is an MBR (membrane bioreactor) membrane tank, a reflux pump 24 is installed at the bottom of the membrane tank 30, and the sewage separated from the membrane tank 30 can be pumped back to the aerobic tank 23 by the reflux pump 24 for further oxidation purification. The sludge tank 40 comprises a sewage discharging tank 44 and a clean water tank 42, clean water separated from the membrane tank 30 enters the clean water tank 42, and sludge separated from the membrane tank 30 enters the sewage discharging tank 44. The clean water in the clean water tank 42 can be directly discharged or recycled after the equipment room 50 is sterilized. The sludge pump is arranged in the sewage disposal pool 44, the sludge pump pumps the sludge into the sludge storage pool 60, and the sludge in the sludge storage pool 60 can be pumped and discharged periodically. The lateral wall of the sludge storage tank 60 is provided with an overflow hole 62, the overflow hole 62 is communicated with the adjusting tank 10, and the sludge in the sludge storage tank 60 can flow back to the adjusting tank 10 through the overflow hole 62 to be treated and purified again.
The working process of the integrated sewage treatment equipment is as follows:
after the water quality and the water quantity of the sewage from the septic tank 12 are adjusted by the adjusting tank 10, the sewage is pumped into the anaerobic tank 21 by the lifting pump 14, the sewage in the anaerobic tank 21 can be hydrolyzed, acidified and methanated under the action of anaerobic bacteria, and organic matters in the sewage are removed. Then the sewage enters an anoxic tank 22 to perform denitrification on the sewage to remove nitrate nitrogen, and finally the sewage enters an aerobic tank 23.
The aerator 232 can draw air into the aeration channel, then into the aeration pipe 2342, and aerate through the first air nozzle 2348 on the aeration pipe 2342, the oxygen supply machine 233 can feed oxygen into the oxygen supply channel, then the oxygen enters the oxygen supply pipe 2343, and finally the oxygen is sprayed into the sewage through the second air nozzle 2349 on the oxygen supply pipe 2343. The driving mechanism 235 drives the aeration pipe 2342 and the oxygen supply pipe 2343 to swing so that air and oxygen are fully contacted with the sewage, the activated sludge performs aerobic respiration, organic matters are further divided into inorganic matters, and harmful substances are removed.
Then the sewage enters the membrane tank 30, the clean water separated from the membrane tank 30 enters the clean water tank 42, the sludge separated from the membrane tank 30 enters the sewage disposal tank 44, and the clean water in the clean water tank 42 can be directly discharged or recycled after being sterilized in the equipment room 50. The sludge pump in the sewage disposal pool 44 pumps the sludge into the sludge storage pool 60, and the sludge in the sludge storage pool 60 can be pumped and discharged periodically. The sludge in the sludge storage tank 60 can also flow back to the regulating tank 10 through the overflow hole 62, and the sludge is treated and purified again.
Above-mentioned integration sewage treatment device, rotating pipe 2341 are equipped with a plurality of aeration pipes 2342 and supply oxygen pipe 2343 along axial direction, and aeration pipe 2342 and supply oxygen pipe 2343 can swing, can make the sewage of each degree of depth of sewage in the good oxygen pond 23 all fully contact with air and oxygen, guarantee the oxidation effect of good oxygen pond 23, guarantee sewage treatment effect.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. An integrated sewage treatment device is characterized by comprising a regulating reservoir, a contact oxidation reservoir, a membrane reservoir and a sludge reservoir which are connected in sequence, wherein the contact oxidation reservoir comprises an anaerobic reservoir, an anoxic reservoir and an aerobic reservoir which are connected in sequence;
the aeration machine is arranged at the bottom of the tank body, the oxygen supply machine is arranged at the top of the tank body, the air injection assembly comprises a rotating pipe, an aeration pipe and an oxygen supply pipe, and the rotating pipe is inserted into the tank body and is rotatably arranged on the tank body;
the rotary pipe is respectively provided with an aeration channel and an oxygen supply channel along the axial direction, the aerator is connected with the aeration channel, the oxygen supply machine is connected with the oxygen supply channel, the aeration pipe and the oxygen supply pipe are both arranged on the side wall of the rotary pipe, a plurality of aeration pipes and the oxygen supply pipes are arranged at intervals along the axial direction of the rotary pipe, the aeration pipes are communicated with the aeration channel, the oxygen supply pipes are communicated with the oxygen supply channel, and the side walls of the aeration pipes and the oxygen supply pipes are both provided with air outlet holes;
the driving mechanism is arranged at the top of the tank body and connected with the rotating pipe to drive the rotating pipe to rotate, so that the aeration pipe and the oxygen supply pipe swing.
2. The integrated sewage treatment apparatus according to claim 1, wherein the rotary pipe is divided into the aeration channel and the oxygen supply channel by a partition, one end of the aeration channel is connected to the aerator, the other end of the aeration channel is sealed by a first baffle, one end of the oxygen supply channel is connected to the oxygen supply machine, and the other end of the oxygen supply channel is sealed by a second baffle.
3. The integrated sewage treatment apparatus of claim 1, wherein a fixing block is disposed on a sidewall of the rotating pipe, and a sidewall of the aeration pipe is connected to a sidewall of the oxygen supply pipe and is mounted on the fixing block through a mounting block.
4. The integrated sewage treatment apparatus of claim 1, wherein a first air nozzle is installed in the air outlet of the aeration pipe, and a second air nozzle is installed in the air outlet of the oxygen supply pipe.
5. The integrated sewage treatment apparatus of claim 4, wherein the first air nozzle is provided on both the bottom surface and the top surface of the aeration pipe, and the second air nozzle is provided on both the bottom surface and the top surface of the oxygen supply pipe.
6. The integrated sewage treatment device of claim 1, wherein the driving mechanism comprises a motor, a rotating disc, a connecting rod and a swinging wheel, the motor is arranged at the top of the tank body, the rotating disc is mounted on a rotating shaft of the motor, the swinging wheel is mounted on the rotating pipe, and two ends of the connecting rod are respectively in rotating connection with the rotating disc and the swinging wheel.
7. The integrated sewage treatment device according to claim 1, wherein a lift pump is installed in the regulation tank, and the lift pump is used for pumping the sewage in the regulation tank into the anaerobic tank.
8. The integrated sewage treatment device of claim 1, wherein a reflux pump is arranged on the bottom wall of the anoxic tank, and the reflux pump in the anoxic tank pumps sewage back into the anaerobic tank;
a reflux pump is arranged at the top of the aerobic tank, and sewage is pumped back into the anoxic tank by the reflux pump in the aerobic tank;
and a reflux pump is arranged at the bottom of the membrane tank, and the reflux pump in the membrane tank pumps sewage into the aerobic tank.
9. The integrated sewage treatment apparatus of claim 1, wherein the sludge tank comprises a sewage tank and a clean water tank, the clean water separated by the membrane tank enters the clean water tank, and the sludge separated by the membrane tank enters the sewage tank.
10. The integrated sewage treatment device according to claim 9, wherein a sludge pump is installed in the sewage disposal tank, the sludge pump pumps sludge into the sludge storage tank, an overflow hole is formed in the side wall of the sludge storage tank, and the sludge in the sludge storage tank overflows back into the regulating tank through the overflow hole.
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| CN201911257335.0A CN110902830A (en) | 2019-12-10 | 2019-12-10 | Integrated sewage treatment equipment |
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| CN201911257335.0A CN110902830A (en) | 2019-12-10 | 2019-12-10 | Integrated sewage treatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111804198A (en) * | 2020-07-29 | 2020-10-23 | 陈丽仙 | A treatment tank for domestic sewage purifies |
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